<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>HSL或HSLA</title>
    <style>
      /* h色相，s饱和度，l亮度，饱和度的意思就是往正常颜色中参杂灰色 */
      .atguigu {
        color: hsl(60deg, 100%, 50%);
      }
    </style>
  </head>
  <body>
    <h2 class="atguigu">尚硅谷</h2>
  </body>
</html>
